CWC is the abbreviation for Cloud Warehouse Chain, referring to cloud storage applications on the blockchain. In Chinese, its called "Yun Chu Lian", which aims to create a system of credible identifiers for citations, ensuring that trade data, commodity data, transaction data recorded on the Yun Chu Lian have authentic digital identities, are verifiable, traceable for price protection, and can flow and integrate with financial innovations. By utilizing blockchain technology, CWC will truly build a traceability chain for international trade procurement and supply, leveraging continuous development of application scenarios to enable participating users to expand their industry futures through blockchain technology, facilitating the smooth implementation of large-scale international procurement and commodity circulation plans. CWC will integrate asset digitization + digital assetization in critical areas such as digital rights confirmation, peer-to-peer settlement, bill credit exchange, logistics risk, and exchange rate risk. Using the unique attributes of the blockchain, it will open up channels for interactive trust and settlement, thereby making world trade possess infinite potential.